Various stair treads aspect requirements? Hebei Airlines Kim tells you. Each bench indoor stair treads a clear width of not less than 1.40m, complete high-stepping ladders board specifications, stepping height should not be greater than zero. 16m, stepping width of not less than 0.28m; stair treads outdoor stairs should not exceed the height of 0.15m, stepping width of not less than 0.30m; station room with a stair treads passengers should not exceed the height of 0.15m; stepping width of not less than 0.3m. Public buildings interior and exterior stair treads step width of not less than 0.30m, stepping height of not more than 0.15m, and not less than 0.10m, stair treads aspect ratio (step) according to the requirements of different types of stair slope requirements and the body's natural stride and conform to the requirements of safe and convenient and comfortable. The slope is generally controlled at about 30 °, for only a few people use the service stairs requirements are relaxed, but not more than 45 °. Step away from the press 2r + g: horizontal stride distance formula, where r is stepping height, g is stepping width, adults and children, men and women, young adults and the elderly are different, generally in the range of 560 ~ 630mm, juvenile Children around 560mm, stepping board, the average adult is about 600mm. Passenger tunnel, overpass stairs treads height of not more than 0.14m, stair treads width of not less than 0.32m, each not more than 18-step ladder, straight ladder platform running the width of not less than 1.5m. About Steel Grating stair treads have any questions you can contact us, Hebei Hang gold mesh Products Co., Ltd. for your dedicated service. Professional stair treads manufacturers Hebei Airlines selected gold, 255/30/50 mesh treads, our company with years of experience for you to produce high-quality, high efficiency, ladders stepping board, ladders, stairs treads, treads , aisle panels, call for details. Types of ladders treads: (1) non-slip treads requirements can be divided into two types have a front fender (checkered or bars) treads and no front fender of the treads. To ensure safety, Zhengpeng recommends that customers use with the front fender of the treads. (2) According to the treads fixed installation into welded and bolted treads treads. Where that is welded and fixed to the treads general steel lattice panels, bolted treads need to steel grating plus 65X5mm the flat as plates. Stair treads quality requirements: (1) treads welding requirements: the front fender and edging Loaded with each weld seam is ≥ 3mm flat fillet welding. (2) treads tolerances: treads length tolerance range is [0 - (- 3) mm], treads width tolerance range is [(-3mm) -3mm]. Hebei Airlines Golden Screen Products Ltd. is willing to work with you to create brilliant. 325/30/100 stair treads _ Hang gold mesh (certified) _ treads provided by Golden Screen Products Co., Ltd. Hebei Airlines. Gold mesh Hebei Airlines Co. (www.hbhangjin.com) Hebei Hengshui, the wire mesh of the leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Hang leader in gold mesh with the staff warmly welcome all inquiries negotiations to create the Air gold mesh better future.